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Mirrors > Home > MPE Home > Th. List > negeq | Structured version Visualization version GIF version |
Description: Equality theorem for negatives. (Contributed by NM, 10-Feb-1995.) |
Ref | Expression |
---|---|
negeq | ⊢ (𝐴 = 𝐵 → -𝐴 = -𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | oveq2 6557 | . 2 ⊢ (𝐴 = 𝐵 → (0 − 𝐴) = (0 − 𝐵)) | |
2 | df-neg 10148 | . 2 ⊢ -𝐴 = (0 − 𝐴) | |
3 | df-neg 10148 | . 2 ⊢ -𝐵 = (0 − 𝐵) | |
4 | 1, 2, 3 | 3eqtr4g 2669 | 1 ⊢ (𝐴 = 𝐵 → -𝐴 = -𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1475 (class class class)co 6549 0cc0 9815 − cmin 10145 -cneg 10146 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-rex 2902 df-rab 2905 df-v 3175 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-sn 4126 df-pr 4128 df-op 4132 df-uni 4373 df-br 4584 df-iota 5768 df-fv 5812 df-ov 6552 df-neg 10148 |
This theorem is referenced by: negeqi 10153 negeqd 10154 neg11 10211 renegcl 10223 negn0 10338 negf1o 10339 negfi 10850 fiminre 10851 infm3lem 10860 infm3 10861 riotaneg 10879 negiso 10880 infrenegsup 10883 elz 11256 elz2 11271 znegcl 11289 zindd 11354 zriotaneg 11367 ublbneg 11649 eqreznegel 11650 supminf 11651 zsupss 11653 qnegcl 11681 xnegeq 11912 ceilval 12501 expneg 12730 m1expcl2 12744 sqeqor 12840 sqrmo 13840 dvdsnegb 14837 lcmneg 15154 pcexp 15402 pcneg 15416 mulgneg2 17398 negfcncf 22530 xrhmeo 22553 evth2 22567 volsup2 23179 mbfi1fseqlem2 23289 mbfi1fseq 23294 lhop2 23582 lognegb 24140 lgsdir2lem4 24853 rpvmasum2 25001 ex-ceil 26697 itgaddnclem2 32639 ftc1anclem5 32659 areacirc 32675 renegclALT 33267 rexzrexnn0 36386 dvdsrabdioph 36392 monotoddzzfi 36525 monotoddzz 36526 oddcomabszz 36527 etransclem17 39144 etransclem46 39173 etransclem47 39174 2zrngagrp 41733 digval 42190 |
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